After having fisticuffs with Orlando Bloom in Ibiza and snuggling up to a host of hotties, Justin Bieber has decided to slow down his wild partying by attending Bible study with his sensible ex-girlfriend Selena Gomez.

The couple, who first started dating in 2010, have been on again/off again more times than Justin’s T-shirt.

But it seems Biebs, 20, is giving it another go with Selena, 22, who he still calls “his girl”.

The pair were spotted at born-again Christian Justin’s regular place of worship the City Church, Los Angeles, on Wednesday evening.

The session was with Justin’s friend and mentor Pastor Judah Smith.

I’m told Selena arrived with her pal actress Francia Raisa, while Justin slipped in after the service had started to avoid causing chaos.

A source reveals: “The pair sat next to each other while partaking in Bible study and seemed very close. They then left together in Bieber’s car.

“Justin looked really comfortable with Selena as he still thinks their bond is unbreakable and knows that Selena will always love him.”

Biebs, whose spokesman didn’t comment, later tweeted: “God is good.”

It comes after the ­sweethearts were spotted at an LA cinema late on Monday night to watch Scarlett Johansson’s new flick Lucy. They were said to have been acting very “tactile” together. I imagine Biebs had some serious sucking up to do after he was linked to Playboy Playmate Alyssa Arce, ­Victoria’s Secret model Shanina Shaik AND Selena’s former BFF Kendall Jenner during his summer vaycay on the White Isle. Phew.

Earlier this year Justin was baptised in a bath as part of his re-connection with Christianity, but struggled to find a church that would do it in secret.

Meanwhile, actress Selena, who went to rehab in January when she “lost sight” of who she was, made an emotional appearance at the Teen Choice Awards earlier this week.

When accepting her ­Ultimate gong, the star looked on the brink of tears as she thanked fans for “making me better”.

She added: “You remind me, amid all the stuff that we deal with personally, what’s important, and that’s giving and loving and caring about each other.”